Initial Cowon D2 commit:

* bootloader test program (basic LCD & button drivers, reads touchscreen)
* work-in-progress stubs for main build


git-svn-id: svn://svn.rockbox.org/rockbox/trunk@16090 a1c6a512-1295-4272-9138-f99709370657

1 files changed, 37 insertions, 0 deletions

diff --git a/firmware/target/arm/tcc780x/cowond2/i2c-target.h b/firmware/target/arm/tcc780x/cowond2/i2c-target.h
new file mode 100644
index 0000000000..8925a9bae3
--- /dev/null
+++ b/firmware/target/arm/tcc780x/cowond2/i2c-target.h
@@ -0,0 +1,37 @@
+/***************************************************************************
+ *             __________               __   ___.
+ *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
+ *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
+ *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
+ *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
+ *                     \/            \/     \/    \/            \/
+ * $Id$
+ *
+ * Copyright (C) 2008 by Rob Purchase
+ *
+ * All files in this archive are subject to the GNU General Public License.
+ * See the file COPYING in the source tree root for full license agreement.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ****************************************************************************/
+#ifndef I2C_TARGET_H
+#define I2C_TARGET_H
+
+/* Definitions for the D2 I2C bus */
+
+#define SCL_BIT (1<<0)
+#define SDA_BIT (1<<1)
+
+#define SCL    (GPIOA & SCL_BIT)
+#define SCL_HI GPIOA_SET = SCL_BIT
+#define SCL_LO GPIOA_CLEAR = SCL_BIT
+
+#define SDA        (GPIOA & SDA_BIT)
+#define SDA_HI     GPIOA_SET = SDA_BIT
+#define SDA_LO     GPIOA_CLEAR = SDA_BIT
+#define SDA_INPUT  GPIOA_DIR &= ~SDA_BIT
+#define SDA_OUTPUT GPIOA_DIR |= SDA_BIT
+
+#endif /* I2C_TARGET_H */